REP40589

• Permit No: C1981044
• IBM Index Class Name: Report
• Doc Date: 3/11/1994
• Doc Name: SUBSIDENCE MONITORING REPORT JUL-DEC 1993 CYPRUS EMPIRE EAGLE MINE 5 E-SEAM WORKINGS
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

SUBSIDENCE MONITORING DATA
Semi-annual Report, July -December 1993
Cyprus Empire Coal Corporation, Eagle Mine No. 5
B-Series Line (perpendicular)
( 1, 2) Survey Elevations (ft)
Profile Pre-mining Previous
Monitoring Distance Elevation Report (2) I Subsidence (ft)
Point ft Northin Eastin ft 05/11/93 09/13/93 This Period Total
BOS ~ 0 40 796.9 140491. 6 66.4 6566.31 0.0 6566.2 - .0I -0.2
607 50 403745.0 1404907.3 6570.9 6570.81 0.0 6570.8 -0.0 -0.1
806 100 403692.4 1404900.9 6575.2 6575.01 0.0 6575.0 -0.0 -0.2
BOS 150 403641.2 1404895.1 6578.5 6578.4 0.0~ 6578.4 -0.1 -0.1
804 200 403590.0 1404889.1 ~ 6582.4 6582.2 0.0 6582.1 I -0.0 -0.3
803 250 ~ 403542.6 1404883.6 ~ 6585.7 6585.5 0.0 6585.4 ~ -0.2 -0.4
602 3001 403492.4 1404877.8 6589.2 6589.0 0.0 ~ 6589.0 -0.1 -0.3
801 350 403443.1 1404870.9 6593.0 6591.5 0.0 i 6591.4 -0.0 -1.6
1
61 400 403395.4 1404866.3 6595.7 6590.6 0.0 6590.5 -0.1 -5.3
62 1
450 ~ 403346.4 1404860.5 6600.2 6593.3 0.0 6593.31 -0.0 -7.0
63 500 403296.3 ~ 1404854.7 6606.3 6599.4 0.0 6599.31 -0.1 ~.9
B4 550 403247.0 ~ 1404848.6 6613.41 6606.6 0.0 6606.6 -0.1 -6.8
85 600 403197.6 1404842.3 6622.71 6615.8 0.0 6615.8 -0.1 ~.9
B6 650 403148.0 1404836.4 6633.7 6626.5 0.0 ~ 6626.5 -0.1 -7.2
67 700 403100.2 1404831.1 6645.5 6638.1 O.O I 6638.0 -0.1 -7.5
88 750 403046.9 1404825.5 6659.3 6651.8 0.0 6651.8 -0.1 -7.6
B9 800 403000.3 1404819.3 6674.1 6666.7 0.0 6666.6 -0.1 -7.5
810 850 402950.8 1404814.1 6688.9 6681.6 0.0 6681.5 -0.1 -7.4
811 900 402902.1 1404808.5 6703.3 6697.1 0.0 6697.0 -0.1 -6.3
812 950 402849.1 1404803.0 6719.3 6715.9 0.0 6715.8 -0.1 -3.6
813 1000 402804.1 1404797.0 6730.5 6728.6 0.0 6728.5 -0.1 -1.9
814 1050 402759.7 1404789.8 6743.5 6742.4 0.0 6742.4 -0.1 -1.2
815 1100 402709.5 1404783.6 6756.7 6755.9 0.0 6755.8 -0.1 -0.9
616 1150 402663.4 1404778.5 6767.0 6766.4 0.0 6766.4 -0.1 -0.6
817 1200 402614.4 1404774.4 6776.6 6776.1 0.0 6776.1 -0.1 -0.5
818 1250 402564.3 1404769.2 6784.9 6784.5 0.0 6784.4 -0.1 -0.5
NOTES:
(1) All pre-mining elevations represent post F-seam mining surface elevations.
Points B01 - 808, baseline survey 09/09/1990
Points Bt - 818, baseline survey 07/12/1990
(2) Baseline elevations reduced by 0.15 ft to reflect new elevation for control point AMOS as of 09/30/1992.
31DEC93